Re: [Boost-users] supressing "extra ;" warnings with GCC 3.4

From: Sohail Somani (s.somani_at_[hidden])
Date: 2005-06-30 12:36:14

> -----Original Message-----
> From: boost-users-bounces_at_[hidden] 
> [mailto:boost-users-bounces_at_[hidden]] On Behalf Of Paul Johnson
> Sent: Thursday, June 30, 2005 6:20 AM
> To: boost-users_at_[hidden]
> Subject: Re: [Boost-users] supressing "extra ;" warnings with GCC 3.4
> 
> 
> David Abrahams wrote:
> > Dave Steffen <dgsteffen_at_[hidden]> writes:
> > 
> > 
> >> I claim that our macros and use thereof is A) correct and 
> B) safe. It 
> >> just so happens that these macro constructs occasionally expand to 
> >> something that has an extra semicolon, which triggers a warning in 
> >> GCC 3.4 that we haven't seen before.
> > 
> > 
> > The warning will be an error on other compilers.  The semicolons 
> > aren't just "bad style;" they're illegal.
> 
> Uhh... why? Example?

I believe extra semicolons are illegal after namespace declarations and
function definitions atleast. A semicolon in a function is an empty
statement which is legal.

Disclaimer: I am not a language lawyer, I just play one on email.